Remove references to dead store elimination #12791

Job	Run time
ruby-bench (--warmup=1 --bench=1 --excludes=shipit)	14m 29s
make (check, --enable-shared --enable-load-relative)	8m 7s
make (check, i686)	11m 42s
make (check, ubuntu-24.04, capi)	10m 52s
make (test-bundler-parallel, 50)	22m 33s
make (check, cppflags=-DVM_CHECK_MODE)	8m 54s
make (test-bundled-gems)	20m 33s
make (check, --disable-yjit)	7m 27s
make-ibm	0s
Ubuntu result	2s
	1h 44m 39s

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